/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.component.block;
import java.util.HashSet;
import java.util.Set;
import org.spout.api.entity.Player;
import org.spout.api.event.entity.EntityInteractEvent;
import org.spout.api.event.player.PlayerInteractBlockEvent;
public abstract class ViewedBlockComponent extends VanillaBlockComponent {
protected final Set<Player> viewers = new HashSet<Player>();
/**
* Opens a window for the given player.
*
* @return true if the component opened successfully
*/
public abstract boolean open(Player player);
/**
* Closes the window for the given player
*
* @return true if the window was closed successfully
*/
public boolean close(Player player) {
viewers.remove(player);
return true;
}
public void closeAll() {
for (Player player : viewers) {
close(player);
}
}
public Set<Player> getViewers() {
return viewers;
}
@Override
public void onInteract(final EntityInteractEvent event) {
super.onInteract(event);
if (event instanceof PlayerInteractBlockEvent) {
final PlayerInteractBlockEvent pib = (PlayerInteractBlockEvent) event;
final Player player = (Player) pib.getEntity();
switch (pib.getAction()) {
case RIGHT_CLICK:
if (open(player)) {
viewers.add(player);
}
}
}
}
}